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2013-01-31Replace "failed template argument deduction" diagnostic with something usefulRichard Smith
in the one case where we've already factored out a reason code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174036 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Remove elements from Sema.UndefinedInternals as functions are defined. AlsoNick Lewycky
filter the elements before emitting them into a PCH. No user-visible functionality change, except that PCH files may be smaller? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174034 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Fix grammar in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174033 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Clarify the diagnostic for -Wnested-anon-types.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174032 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31[analyzer] If a lazy binding is undefined, pretend that it's unknown instead.Jordan Rose
This is a hack to work around the fact that we don't track extents for our default bindings: CGPoint p; p.x = 0.0; p.y = 0.0; rectParam.origin = p; use(rectParam.size); // warning: uninitialized value in rectParam.size.width In this case, the default binding for 'p' gets copied into 'rectParam', because the 'origin' field is at offset 0 within CGRect. From then on, rectParam's old default binding (in this case a symbol) is lost. This patch silences the warning by pretending that lazy bindings are never made from uninitialized memory, but not only is that not true, the original default binding is still getting overwritten (see FIXME test cases). The long-term solution is tracked in <rdar://problem/12701038> PR14765 and <rdar://problem/12875012> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174031 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31When comparing two template template arguments in the template differ, considerRichard Trieu
them the same if they are actually the same; having the same name isn't enough. Similar to r174013, template template arguments were also mistakenly considered the same when they had the same name but were in different namespaces. In addition, when printing template template arguments, use the qualified name if the regular name is the same. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174029 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Fix -Wcovered-switch-default and -Wunused-private-field warnings.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174025 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Add indents to AST dumping and removed parenthesis from AST nodes.Richard Trieu
Indents were given the color blue when outputting with color. AST dumping now looks like this: Node |-Node | `-Node `-Node `-Node Compared to the previous: (Node (Node (Node)) (Node (Node))) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174022 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Fix ODR-use of a MemberExpr to check before marking a pure function used. RemoveNick Lewycky
a workaround for this bug from the -Wundefined-internals warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174020 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31[analyzer] Fix a bug in region store that lead to undefined value falseAnna Zaks
positives. The includeSuffix was only set on the first iteration through the function, resulting in invalid regions being produced by getLazyBinding (ex: zoomRegion.y). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174016 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31When comparing two templates in the template differ, consider them theDouglas Gregor
same if they are actually the same; having the same name isn't enough. Fixes <rdar://problem/12931988>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174013 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Make sure that the Attribute object represents one attribute only.Bill Wendling
Several places were still treating the Attribute object as respresenting multiple attributes. Those places now use the AttributeSet to represent multiple attributes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174004 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Fix unused variable warnings in -asserts buildMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173996 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Reinstate r173952, this time limiting it to exactly the formDouglas Gregor
#define X X for which there is no point warning, ever. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173991 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Diagnostics: Clarify name of line-length-limiting constant in r173976.Jordan Rose
Thanks, Sean. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173981 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Changed to static_cast, due to post-commit review.Filipe Cabecinhas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173980 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Cast to remove the narrowing conversion error in c++11.Filipe Cabecinhas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173978 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Diagnostics: if a line is longer than 4096 characters, don't print it.Jordan Rose
Specifically, don't print snippets, caret diagnostics, or ranges for lines over 4096 characters. We copy the line around a few times in our diagnostics machinery, and we have to print a caret line that's just as long. This uses a lot of memory just to create a poor user experience as we print out a line much too long for anyone to read...or spend extra energy trying to fit it to -fmessage-length. <rdar://problem/13106850> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173976 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Revert "[preprocessor] Don't warn about "disabled expansion of recursive macro""Argyrios Kyrtzidis
This reverts commit r173952 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173970 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Handle passing non-Qualtypes to %diff better. Instead of asserting, fall backRichard Trieu
to printing the default case. This is a fix for PR15023. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173965 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Add OpenCL error that a kernel function must have void return type. Includes ↵Tanya Lattner
a test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173963 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Fix r173881 to properly skip invalid UTF-8 characters in raw lexing and -E.Jordan Rose
This caused hangs as we processed the same invalid byte over and over. <rdar://problem/13115651> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173959 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[analyzer] Make shallow mode more shallow.Anna Zaks
Redefine the shallow mode to inline all functions for which we have a definite definition (ipa=inlining). However, only inline functions that are up to 4 basic blocks large and cut the max exploded nodes generated per top level function in half. This makes shallow faster and allows us to keep inlining small functions. For example, we would keep inlining wrapper functions and constructors/destructors. With the new shallow, it takes 104s to analyze sqlite3, whereas the deep mode is 658s and previous shallow is 209s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173958 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[analyzer] Use analyzer config for max-inlinable-size option.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173957 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[analyzer] Move report false positive suppression to report visitors.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173956 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[analyzer] Remove further references to analyzer-ipa.Anna Zaks
Thanks Jordan! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173955 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Hoist retrieval of Expr* into caller. No functionality change.Ted Kremenek
Just makes the code a little cleaner, and easier to reason about. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173953 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[preprocessor] Don't warn about "disabled expansion of recursive macro"Argyrios Kyrtzidis
for "#define X X". This is a pattern that, for example, stdbool.h uses. rdar://12435773 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173952 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[analyzer] Model trivial copy/move ctors with an aggregate bind.Jordan Rose
This is faster for the analyzer to process than inlining the constructor and performing a member-wise copy, and it also solves the problem of warning when a partially-initialized POD struct is copied. Before: CGPoint p; p.x = 0; CGPoint p2 = p; <-- assigned value is garbage or undefined After: CGPoint p; p.x = 0; CGPoint p2 = p; // no-warning This matches our behavior in C, where we don't see a field-by-field copy. <rdar://problem/12305288> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173951 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Comment parsing: resolve more named character referencesDmitri Gribenko
This reimplements r173850 with a better approach: (1) use a TableGen-generated matcher instead of doing a linear search; (2) avoid allocations for new strings by converting code points to string iterals with TableGen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Revert unintended changeDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173927 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Move UTF conversion routines from clang/lib/Basic to llvm/lib/SupportDmitri Gribenko
This is required to use them in TableGen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173924 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Also promote fp16 types to double when they're anonymous variadic arguments.Tim Northover
__fp16 isn't covered by the standard, but this resolves the oddity that float gets promoted when passed variadically, but not the smaller type. This is required by the AArch64 ABI, and a sane action elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173918 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Don't generate no-op replacements.Daniel Jasper
No functional changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173916 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Add "instancetype" as a code completion result for the return type ofDouglas Gregor
an Objective-C method. Fixes <rdar://problem/13069990>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173905 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30The instance methods of the root class of an Objective-C hieararchyDouglas Gregor
can be messaged via the metaclass. Provide code completions for this case. Fixes <rdar://problem/12560296>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173903 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30C11: Provide the missing half of <stdalign.h>Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173900 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Semantic analysis and CodeGen support for C11's _Noreturn. This is modeled asRichard Smith
an attribute for consistency with our other noreturn mechanisms. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173898 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Don't warn on fall-through from unreachable code.Alexander Kornienko
Summary: A motivating example: class ClassWithDtor { public: ~ClassWithDtor() {} }; void fallthrough3(int n) { switch (n) { case 2: do { ClassWithDtor temp; return; } while (0); // This generates a chain of unreachable CFG blocks. case 3: break; } } Reviewers: rsmith, doug.gregor, alexfh Reviewed By: alexfh CC: cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D330 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Don't warn about Unicode characters in -E mode.Jordan Rose
People use the C preprocessor for things other than C files. Some of them have Unicode characters. We shouldn't warn about Unicode characters appearing outside of identifiers in this case. There's not currently a way for the preprocessor to tell if it's in -E mode, so I added a new flag, derived from the PreprocessorOutputOptions. This is only used by the Unicode warnings for now, but could conceivably be used by other warnings or even behavioral differences later. <rdar://problem/13107323> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173881 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Provide a fixit for constexpr non-static data members.David Blaikie
If the member has an initializer, assume it was probably intended to be static and suggest/recover with that. If the member doesn't have an initializer, assume it was probably intended to be const instead of constexpr and suggest that. (if the attempt to apply these changes fails, don't make any suggestion & produce the same diagnostic experience as before. The only case where this can come up that I know of is with a mutable constexpr with an initializer, since mutable is incompatible with static (but it's already incompatible with const anyway)) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173873 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30c: When checking on validity of sizeof passed as size ofFariborz Jahanian
argument to be memset, check for its type to be complete before calling Context.getTypeSize(PointeeTy) to prevent crash. // rdar://13081751. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173872 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[Frontend] Factor AddUnmappedPath() out of AddPath() and simplify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173871 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[Frontend] Remove HeaderSearchOptions::Entry::IsInternal, which is unused.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[Frontend] Add an ExternCSystem include entry group.Daniel Dunbar
- The only group where it makes sense for the "ExternC" bit is System, so this simplifies having to have the extra isCXXAware (or ImplicitExternC, depending on what code you talk to) bit caried around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173859 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Removed couple of html named character references inFariborz Jahanian
my last patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173856 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[Frontend] Make the include dir group independent from the "use sysroot" bit.Daniel Dunbar
- This slightly decouples the path handling, since before the group sometimes dominated the "use sysroot" bit, but it was still passed in via the API. - No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173855 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[Frontend] Rename a member variable to clarify its intent.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173854 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[Frontend] Factor out helper function, for clarity.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173853 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29[driver] Clear the FailureResultFiles when initializing clang diagnostics. Also,Chad Rosier
minor cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173852 91177308-0d34-0410-b5e6-96231b3b80d8
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